/*
 *
 *  * Copyright (C) 2015 Square, Inc.
 *  *
 *  * Licensed under the Apache License, Version 2.0 (the "License");
 *  * you may not use this file except in compliance with the License.
 *  * You may obtain a copy of the License at
 *  *
 *  *      http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS,
 *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  * See the License for the specific language governing permissions and
 *  * limitations under the License.
 *
 */
package com.lark.oapi.okhttp;

import com.lark.oapi.okio.ByteString;

import java.nio.charset.Charset;

import static java.nio.charset.StandardCharsets.ISO_8859_1;

/**
 * Factory for HTTP authorization credentials.
 */
public final class Credentials {

    private Credentials() {
    }

    /**
     * Returns an auth credential for the Basic scheme.
     */
    public static String basic(String username, String password) {
        return basic(username, password, ISO_8859_1);
    }

    public static String basic(String username, String password, Charset charset) {
        String usernameAndPassword = username + ":" + password;
        String encoded = ByteString.encodeString(usernameAndPassword, charset).base64();
        return "Basic " + encoded;
    }
}
